Instal Codec´s

Codec xvid
http://64.233.179.104/translate_c?hl=pt-BR&u=http://www.digital-digest.com/software/download.php%3Fsid%3D1052%26ssid%3D0%26did%3D1&prev=/search%3Fq%3Dhttp://www.xvid.org/%26hl%3Dpt-BR

codec divx
http://www.divx.com/